New upstream version 1.20.0+dfsg1

[rustc.git] / src / librustc_typeck / coherence / overlap.rs

diff --git a/src/librustc_typeck/coherence/overlap.rs b/src/librustc_typeck/coherence/overlap.rs
index ba1d7b18e8c7faeb29dcc40e41f84cf13426d211..59ebae16d08ca9364406261cf17f55607e672309 100644 (file)
--- a/src/librustc_typeck/coherence/overlap.rs
+++ b/src/librustc_typeck/coherence/overlap.rs
@@ -15,7 +15,6 @@
 use rustc::traits;
 use rustc::ty::{self, TyCtxt, TypeFoldable};
 use syntax::ast;
-use rustc::dep_graph::DepNode;
 use rustc::hir;
 use rustc::hir::itemlikevisit::ItemLikeVisitor;
 
@@ -38,9 +37,6 @@ pub fn check_impl<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, node_id: ast::NodeId) {
         return
     }
 
-    let _task =
-        tcx.dep_graph.in_task(DepNode::CoherenceOverlapCheck(trait_def_id));
-
     // Trigger building the specialization graph for the trait of this impl.
     // This will detect any overlap errors.
     tcx.specialization_graph_of(trait_def_id);